– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 9 pm Thu 12 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Thu 12 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 22mm), heaviest during Sat night. Very mild (max 15°C on Fri morning, min 6°C on Sun afternoon). Wind will be generally light. | Days 5–7 Weather SummarySome drizzle, heaviest during Sun night. Mild temperatures (max 8°C on Wed morning, min 3°C on Mon night). Wind will be generally light. | |||||||||||||||
Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | | | |  |  | | | |  |  |  | |
cloudy | light rain | light rain | mod. rain | light rain | light rain | mod. rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | clear | clear | |
Cloud base (m) | 5850 | 2050 | 500 | 550 | 550 | 550 | 550 | 650 | 850 | 850 | 1500 | 650 | 800 | 900 | 8750 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.1 | 2 | 6 | 0.6 | 2 | 7 | 4 | 0.9 | 0.7 | 0.1 | 0.2 | 0.2 | — | — | — |
max °C | 14 | 15 | 9 | 8 | 7 | 7 | 8 | 8 | 7 | 6 | 7 | 6 | 5 | 6 | 5 | 5 |
min °C | 13 | 14 | 8 | 7 | 7 | 7 | 7 | 8 | 6 | 5 | 6 | 5 | 3 | 5 | 4 | 4 |
chill °C | 12 | 13 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 3 | 4 | 4 | 3 | 5 | 2 | 2 |
Freezing level m | 2900 | 2700 | 2100 | 1650 | 1600 | 1700 | 1800 | 1700 | 1500 | 1300 | 1300 | 1400 | 1250 | 1150 | 1300 | 1850 |
 | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — |
 | — | — | 4:30 | — | — | 4:29 | — | — | 4:27 | — | — | 4:25 | — | — | 4:24 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 22mm), heaviest during Sat night. Very mild (max 15°C on Fri morning, min 6°C on Sun afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Some drizzle, heaviest during Sun night. Mild temperatures (max 8°C on Wed morning, min 3°C on Mon night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.